protozoan

Submit as 'Bug' and set the category to 'documentation'.

For some distros this list isn't complete, you're still missing a dependency.

I would specifically check for that xcb-cursor lib that is mentioned in your error (I've had issues with it on another distro).

https://www.sidefx.com/docs/houdini/news/21/karma.html#shading [www.sidefx.com]

Added support for SSS tracesets to allow SSS light paths to travel across mesh that share the common tracset. This can be used to remove discontinuity artifacts when a character with SSS is split into different parts. Note that there’s a limit of four tracesets per scene with Karma XPU.